They got off scot-free because of lack of evidence.

由于证据不足，他们得以逍遥法外。

《牛津词典》

An early example of this model was online email, where you got a certain amount of storage for free and had to pay for more (see more about this, though, in the section on when free is dangerous).

这一模式早期的一个例子是在线的电子邮件，你可以免费获得一定的存储空间，当你想要更多空间时，则需要付费。

youdao

If you've got a free account, loved the idea of contact sync but want to see whether it's worth it then why not take advantage?

如果你有一个免费账户，有同步联系人的想法但是想看看是否值得这么做，如果好的话为啥不利用一下呢？

youdao

Along with the award, the winners also got a free trip to New York City and Los Angeles,California, to attend screenings of their videos.

VOA: special.2009.10.02

The fact that we've got free will is something that most of us take for granted about ourselves.

我们拥有自由意志这一事实,被大多数人认为理所应当

耶鲁公开课 - 死亡课程节选

None of you got smallpox vaccinations, because once a country was certified to be smallpox free, there was no reason to-- there was no reason to vaccinate people any longer.

你们当中没人接种过天花疫苗,因为一旦一个国家确认不再有天花,就没有理由,就没有理由再给人们接种

耶鲁公开课 - 生物医学工程探索课程节选

The premise was simple: patrons got a free souvenir and the club got free publicity when photos of the glasses went on social networking sites.

FORBES: Meet the Man Behind Ryan Lochte's 'REEZY JEAH!' Glasses

It still got its Superbowl commercial, and a fine one at that, and it also got reams of free publicity in the days just before the main event.

FORBES: David and Goliath: Sodastream's Striking Super Bowl Success

He even got a free cup of Treasury coffee.

BBC: Osborne refreshes First Minister others cannot reach